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hdf5/tools/lib/h5diff.c
Allen Byrne 78a5870680 Fix error handling issues
2017-10-17 16:13:12 -05:00

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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* Copyright by The HDF Group. *
* Copyright by the Board of Trustees of the University of Illinois. *
* All rights reserved. *
* *
* This file is part of HDF5. The full HDF5 copyright notice, including *
* terms governing use, modification, and redistribution, is contained in *
* the COPYING file, which can be found at the root of the source code *
* distribution tree, or in https://support.hdfgroup.org/ftp/HDF5/releases. *
* If you do not have access to either file, you may request a copy from *
* help@hdfgroup.org. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
#include "H5private.h"
#include "h5tools.h"
#include "h5tools_utils.h"
#include "h5diff.h"
#include "ph5diff.h"
/*-------------------------------------------------------------------------
* Function: print_objname
*
* Purpose: check if object name is to be printed, only when:
* 1) verbose mode
* 2) when diff was found (normal mode)
*-------------------------------------------------------------------------
*/
H5_ATTR_PURE int
print_objname (diff_opt_t * opts, hsize_t nfound)
{
return ((opts->m_verbose || nfound) && !opts->m_quiet) ? 1 : 0;
}
/*-------------------------------------------------------------------------
* Function: do_print_objname
*
* Purpose: print object name
*-------------------------------------------------------------------------
*/
void
do_print_objname (const char *OBJ, const char *path1, const char *path2, diff_opt_t * opts)
{
/* if verbose level is higher than 0, put space line before
* displaying any object or symbolic links. This improves
* readability of the output.
*/
if (opts->m_verbose_level >= 1)
parallel_print("\n");
parallel_print("%-7s: <%s> and <%s>\n", OBJ, path1, path2);
}
/*-------------------------------------------------------------------------
* Function: do_print_attrname
*
* Purpose: print attribute name
*-------------------------------------------------------------------------
*/
void
do_print_attrname (const char *attr, const char *path1, const char *path2)
{
parallel_print("%-7s: <%s> and <%s>\n", attr, path1, path2);
}
/*-------------------------------------------------------------------------
* Function: print_warn
*
* Purpose: check print warning condition.
* Return:
* 1 if verbose mode
* 0 if not verbos mode
*-------------------------------------------------------------------------
*/
static int
print_warn(diff_opt_t *opts)
{
return ((opts->m_verbose)) ? 1: 0;
}
#ifdef H5_HAVE_PARALLEL
/*-------------------------------------------------------------------------
* Function: phdiff_dismiss_workers
*
* Purpose: tell all workers to end.
*
* Return: none
*-------------------------------------------------------------------------
*/
void
phdiff_dismiss_workers(void)
{
int i;
for (i = 1; i < g_nTasks; i++)
MPI_Send(NULL, 0, MPI_BYTE, i, MPI_TAG_END, MPI_COMM_WORLD);
}
/*-------------------------------------------------------------------------
* Function: print_incoming_data
*
* Purpose: special function that prints any output that has been sent to the manager
* and is currently sitting in the incoming message queue
*
* Return: none
*-------------------------------------------------------------------------
*/
static void
print_incoming_data(void)
{
char data[PRINT_DATA_MAX_SIZE + 1];
int incomingMessage;
MPI_Status Status;
do {
MPI_Iprobe(MPI_ANY_SOURCE, MPI_TAG_PRINT_DATA, MPI_COMM_WORLD, &incomingMessage, &Status);
if(incomingMessage) {
HDmemset(data, 0, PRINT_DATA_MAX_SIZE+1);
MPI_Recv(data, PRINT_DATA_MAX_SIZE, MPI_CHAR, Status.MPI_SOURCE, MPI_TAG_PRINT_DATA, MPI_COMM_WORLD, &Status);
printf("%s", data);
}
} while(incomingMessage);
}
#endif
/*-------------------------------------------------------------------------
* Function: is_valid_options
*
* Purpose: check if options are valid
*
* Return:
* 1 : Valid
* 0 : Not valid
*------------------------------------------------------------------------*/
static int
is_valid_options(diff_opt_t *opts)
{
int ret_value = 1; /* init to valid */
/*-----------------------------------------------
* no -q(quiet) with -v (verbose) or -r (report) */
if(opts->m_quiet && (opts->m_verbose || opts->m_report)) {
parallel_print("Error: -q (quiet mode) cannot be added to verbose or report modes\n");
opts->err_stat = 1;
HGOTO_DONE(0);
}
/* -------------------------------------------------------
* only allow --no-dangling-links along with --follow-symlinks */
if(opts->no_dangle_links && !opts->follow_links) {
parallel_print("Error: --no-dangling-links must be used along with --follow-symlinks option.\n");
opts->err_stat = 1;
HGOTO_DONE(0);
}
done:
return ret_value;
}
/*-------------------------------------------------------------------------
* Function: is_exclude_path
*
* Purpose: check if 'paths' are part of exclude path list
*
* Return:
* 1 - excluded path
* 0 - not excluded path
*------------------------------------------------------------------------*/
static int
is_exclude_path (char * path, h5trav_type_t type, diff_opt_t *opts)
{
struct exclude_path_list * exclude_path_ptr;
int ret_cmp;
int ret_value = 0;
/* check if exclude path option is given */
if (!opts->exclude_path)
HGOTO_DONE(0);
/* assign to local exclude list pointer */
exclude_path_ptr = opts->exclude;
/* search objects in exclude list */
while (NULL != exclude_path_ptr) {
/* if exclude path is is group, exclude its members as well */
if (exclude_path_ptr->obj_type == H5TRAV_TYPE_GROUP) {
ret_cmp = HDstrncmp(exclude_path_ptr->obj_path, path,
HDstrlen(exclude_path_ptr->obj_path));
if (ret_cmp == 0) { /* found matching members */
size_t len_grp;
/* check if given path belong to an excluding group, if so
* exclude it as well.
* This verifies if “/grp1/dset1” is only under “/grp1”, but
* not under “/grp1xxx/” group.
*/
len_grp = HDstrlen(exclude_path_ptr->obj_path);
if (path[len_grp] == '/') {
/* belong to excluded group! */
ret_value = 1;
break; /* while */
}
}
}
/* exclude target is not group, just exclude the object */
else {
ret_cmp = HDstrcmp(exclude_path_ptr->obj_path, path);
if (ret_cmp == 0) { /* found matching object */
/* excluded non-group object */
ret_value = 1;
/* remember the type of this maching object.
* if it's group, it can be used for excluding its member
* objects in this while() loop */
exclude_path_ptr->obj_type = type;
break; /* while */
}
}
exclude_path_ptr = exclude_path_ptr->next;
}
done:
return ret_value;
}
/*-------------------------------------------------------------------------
* Function: free_exclude_path_list
*
* Purpose: free exclude object list from diff options
*------------------------------------------------------------------------*/
static void
free_exclude_path_list(diff_opt_t *opts)
{
struct exclude_path_list *curr = opts->exclude;
struct exclude_path_list *next;
while (NULL != curr) {
next = curr->next;
HDfree(curr);
curr = next;
}
}
/*-------------------------------------------------------------------------
* Function: build_match_list
*
* Purpose: get list of matching path_name from info1 and info2
*
* Note:
* Find common objects; the algorithm used for this search is the
* cosequential match algorithm and is described in
* Folk, Michael; Zoellick, Bill. (1992). File Structures. Addison-Wesley.
* Moved out from diff_match() to make code more flexible.
*
* Parameter:
* table_out [OUT] : return the list
*------------------------------------------------------------------------*/
static void
build_match_list (const char *objname1, trav_info_t *info1, const char *objname2, trav_info_t *info2,
trav_table_t ** table_out, diff_opt_t *opts)
{
size_t curr1 = 0;
size_t curr2 = 0;
unsigned infile[2];
char *path1_lp = NULL;
char *path2_lp = NULL;
h5trav_type_t type1_l;
h5trav_type_t type2_l;
size_t path1_offset = 0;
size_t path2_offset = 0;
int cmp;
trav_table_t *table = NULL;
size_t idx;
h5difftrace("build_match_list start\n");
/* init */
trav_table_init(&table);
if (table == NULL)
H5TOOLS_INFO(H5E_tools_min_id_g, "Cannot create tarverse table");
/*
* This is necessary for the case that given objects are group and
* have different names (ex: obj1 is /grp1 and obj2 is /grp5).
* All the objects belong to given groups are the candidates.
* So prepare to compare paths without the group names.
*/
/* if obj1 is not root */
if (HDstrcmp (objname1,"/") != 0)
path1_offset = HDstrlen(objname1);
/* if obj2 is not root */
if (HDstrcmp (objname2,"/") != 0)
path2_offset = HDstrlen(objname2);
/*--------------------------------------------------
* build the list
*/
while(curr1 < info1->nused && curr2 < info2->nused) {
path1_lp = (info1->paths[curr1].path) + path1_offset;
path2_lp = (info2->paths[curr2].path) + path2_offset;
type1_l = info1->paths[curr1].type;
type2_l = info2->paths[curr2].type;
/* criteria is string compare */
cmp = HDstrcmp(path1_lp, path2_lp);
if(cmp == 0) {
if(!is_exclude_path(path1_lp, type1_l, opts)) {
infile[0] = 1;
infile[1] = 1;
trav_table_addflags(infile, path1_lp, info1->paths[curr1].type, table);
/* if the two point to the same target object,
* mark that in table */
if (info1->paths[curr1].fileno == info2->paths[curr2].fileno &&
info1->paths[curr1].objno == info2->paths[curr2].objno) {
idx = table->nobjs - 1;
table->objs[idx].is_same_trgobj = 1;
}
}
curr1++;
curr2++;
} /* end if */
else if(cmp < 0) {
if(!is_exclude_path(path1_lp, type1_l, opts)) {
infile[0] = 1;
infile[1] = 0;
trav_table_addflags(infile, path1_lp, info1->paths[curr1].type, table);
}
curr1++;
} /* end else-if */
else {
if (!is_exclude_path(path2_lp, type2_l, opts)) {
infile[0] = 0;
infile[1] = 1;
trav_table_addflags(infile, path2_lp, info2->paths[curr2].type, table);
}
curr2++;
} /* end else */
} /* end while */
/* list1 did not end */
infile[0] = 1;
infile[1] = 0;
while(curr1 < info1->nused) {
path1_lp = (info1->paths[curr1].path) + path1_offset;
type1_l = info1->paths[curr1].type;
if(!is_exclude_path(path1_lp, type1_l, opts)) {
trav_table_addflags(infile, path1_lp, info1->paths[curr1].type, table);
}
curr1++;
} /* end while */
/* list2 did not end */
infile[0] = 0;
infile[1] = 1;
while(curr2 < info2->nused) {
path2_lp = (info2->paths[curr2].path) + path2_offset;
type2_l = info2->paths[curr2].type;
if (!is_exclude_path(path2_lp, type2_l, opts)) {
trav_table_addflags(infile, path2_lp, info2->paths[curr2].type, table);
}
curr2++;
} /* end while */
free_exclude_path_list (opts);
*table_out = table;
h5difftrace("build_match_list finish\n");
}
/*-------------------------------------------------------------------------
* Function: trav_grp_objs
*
* Purpose: Call back function from h5trav_visit().
*------------------------------------------------------------------------*/
static herr_t
trav_grp_objs(const char *path, const H5O_info_t *oinfo,
const char *already_visited, void *udata)
{
trav_info_visit_obj(path, oinfo, already_visited, udata);
return 0;
}
/*-------------------------------------------------------------------------
* Function: trav_grp_symlinks
*
* Purpose: Call back function from h5trav_visit().
* Track and extra checkings while visiting all symbolic-links.
*------------------------------------------------------------------------*/
static herr_t
trav_grp_symlinks(const char *path, const H5L_info_t *linfo, void *udata)
{
herr_t ret_value = 0;
trav_info_t *tinfo = (trav_info_t *)udata;
diff_opt_t *opts = (diff_opt_t *)tinfo->opts;
h5tool_link_info_t lnk_info;
const char *ext_fname;
const char *ext_path;
/* init linkinfo struct */
HDmemset(&lnk_info, 0, sizeof(h5tool_link_info_t));
if (!opts->follow_links) {
trav_info_visit_lnk(path, linfo, tinfo);
HGOTO_DONE(0);
}
switch(linfo->type) {
case H5L_TYPE_SOFT:
if((ret_value = H5tools_get_symlink_info(tinfo->fid, path, &lnk_info, opts->follow_links)) < 0) {
HGOTO_DONE(FAIL);
}
else if (ret_value == 0) {
/* no dangling link option given and detect dangling link */
tinfo->symlink_visited.dangle_link = TRUE;
trav_info_visit_lnk(path, linfo, tinfo);
if (opts->no_dangle_links)
opts->err_stat = 1; /* make dangling link is error */
HGOTO_DONE(0);
}
/* check if already visit the target object */
if(symlink_is_visited( &(tinfo->symlink_visited), linfo->type, NULL, lnk_info.trg_path))
HGOTO_DONE(0);
/* add this link as visited link */
if(symlink_visit_add( &(tinfo->symlink_visited), linfo->type, NULL, lnk_info.trg_path) < 0)
HGOTO_DONE(0);
if(h5trav_visit(tinfo->fid, path, TRUE, TRUE,
trav_grp_objs,trav_grp_symlinks, tinfo) < 0) {
parallel_print("Error: Could not get file contents\n");
opts->err_stat = 1;
HGOTO_ERROR(FAIL, H5E_tools_min_id_g, "Error: Could not get file contents");
}
break;
case H5L_TYPE_EXTERNAL:
if ((ret_value = H5tools_get_symlink_info(tinfo->fid, path, &lnk_info, opts->follow_links)) < 0) {
HGOTO_DONE(FAIL);
}
else if (ret_value == 0) {
/* no dangling link option given and detect dangling link */
tinfo->symlink_visited.dangle_link = TRUE;
trav_info_visit_lnk(path, linfo, tinfo);
if (opts->no_dangle_links)
opts->err_stat = 1; /* make dangling link is error */
HGOTO_DONE(0);
}
if(H5Lunpack_elink_val(lnk_info.trg_path, linfo->u.val_size, NULL, &ext_fname, &ext_path) < 0)
HGOTO_DONE(0);
/* check if already visit the target object */
if(symlink_is_visited( &(tinfo->symlink_visited), linfo->type, ext_fname, ext_path))
HGOTO_DONE(0);
/* add this link as visited link */
if(symlink_visit_add( &(tinfo->symlink_visited), linfo->type, ext_fname, ext_path) < 0)
HGOTO_DONE(0);
if(h5trav_visit(tinfo->fid, path, TRUE, TRUE,
trav_grp_objs,trav_grp_symlinks, tinfo) < 0) {
parallel_print("Error: Could not get file contents\n");
opts->err_stat = 1;
HGOTO_ERROR(FAIL, H5E_tools_min_id_g, "Error: Could not get file contents\n");
}
break;
case H5L_TYPE_HARD:
case H5L_TYPE_MAX:
case H5L_TYPE_ERROR:
default:
parallel_print("Error: Invalid link type\n");
opts->err_stat = 1;
HGOTO_ERROR(FAIL, H5E_tools_min_id_g, "Error: Invalid link type");
break;
} /* end of switch */
done:
if (lnk_info.trg_path)
HDfree(lnk_info.trg_path);
return ret_value;
}
/*-------------------------------------------------------------------------
* Function: h5diff
*
* Purpose: public function, can be called in an application program.
* return differences between 2 HDF5 files
*
* Return: Number of differences found.
*-------------------------------------------------------------------------
*/
hsize_t
h5diff(const char *fname1,
const char *fname2,
const char *objname1,
const char *objname2,
diff_opt_t *opts)
{
int ret_value = 0;
hid_t file1_id = -1;
hid_t file2_id = -1;
char filenames[2][MAX_FILENAME];
hsize_t nfound = 0;
int l_ret1 = -1;
int l_ret2 = -1;
char *obj1fullname = NULL;
char *obj2fullname = NULL;
int both_objs_grp = 0;
/* init to group type */
h5trav_type_t obj1type = H5TRAV_TYPE_GROUP;
h5trav_type_t obj2type = H5TRAV_TYPE_GROUP;
/* for single object */
H5O_info_t oinfo1, oinfo2; /* object info */
trav_info_t *info1_obj = NULL;
trav_info_t *info2_obj = NULL;
/* for group object */
trav_info_t *info1_grp = NULL;
trav_info_t *info2_grp = NULL;
/* local pointer */
trav_info_t *info1_lp = NULL;
trav_info_t *info2_lp = NULL;
/* link info from specified object */
H5L_info_t src_linfo1;
H5L_info_t src_linfo2;
/* link info from member object */
h5tool_link_info_t trg_linfo1;
h5tool_link_info_t trg_linfo2;
/* list for common objects */
trav_table_t *match_list = NULL;
h5difftrace("h5diff start\n");
/* init filenames */
HDmemset(filenames, 0, MAX_FILENAME * 2);
/* init link info struct */
HDmemset(&trg_linfo1, 0, sizeof(h5tool_link_info_t));
HDmemset(&trg_linfo2, 0, sizeof(h5tool_link_info_t));
/*-------------------------------------------------------------------------
* check invalid combination of options
*-----------------------------------------------------------------------*/
if(!is_valid_options(opts))
HGOTO_DONE(0);
opts->cmn_objs = 1; /* eliminate warning */
opts->err_stat = 0; /* initialize error status */
/*-------------------------------------------------------------------------
* open the files first; if they are not valid, no point in continuing
*-------------------------------------------------------------------------
*/
/* open file 1 */
if((file1_id = h5tools_fopen(fname1, H5F_ACC_RDONLY, H5P_DEFAULT, NULL, NULL, (size_t)0)) < 0) {
parallel_print("h5diff: <%s>: unable to open file\n", fname1);
HGOTO_ERROR(1, H5E_tools_min_id_g, "<%s>: unable to open file\n", fname1);
} /* end if */
/* open file 2 */
if((file2_id = h5tools_fopen(fname2, H5F_ACC_RDONLY, H5P_DEFAULT, NULL, NULL, (size_t)0)) < 0) {
parallel_print("h5diff: <%s>: unable to open file\n", fname2);
HGOTO_ERROR(1, H5E_tools_min_id_g, "<%s>: unable to open file\n", fname2);
} /* end if */
/*-------------------------------------------------------------------------
* Initialize the info structs
*-------------------------------------------------------------------------
*/
trav_info_init(fname1, file1_id, &info1_obj);
trav_info_init(fname2, file2_id, &info2_obj);
h5difftrace("trav_info_init initialized\n");
/* if any object is specified */
if (objname1) {
/* make the given object1 fullpath, start with "/" */
if (HDstrncmp(objname1, "/", 1)) {
#ifdef H5_HAVE_ASPRINTF
/* Use the asprintf() routine, since it does what we're trying to do below */
if(HDasprintf(&obj1fullname, "/%s", objname1) < 0)
HGOTO_ERROR(1, H5E_tools_min_id_g, "name buffer allocation failed");
#else /* H5_HAVE_ASPRINTF */
/* (malloc 2 more for "/" and end-of-line) */
if ((obj1fullname = (char*)HDmalloc(HDstrlen(objname1) + 2)) == NULL)
HGOTO_ERROR(1, H5E_tools_min_id_g, "name buffer allocation failed");
HDstrcpy(obj1fullname, "/");
HDstrcat(obj1fullname, objname1);
#endif /* H5_HAVE_ASPRINTF */
}
else
obj1fullname = HDstrdup(objname1);
/* make the given object2 fullpath, start with "/" */
if (HDstrncmp(objname2, "/", 1)) {
#ifdef H5_HAVE_ASPRINTF
/* Use the asprintf() routine, since it does what we're trying to do below */
if(HDasprintf(&obj2fullname, "/%s", objname2) < 0)
HGOTO_ERROR(1, H5E_tools_min_id_g, "name buffer allocation failed");
#else /* H5_HAVE_ASPRINTF */
/* (malloc 2 more for "/" and end-of-line) */
if ((obj2fullname = (char*)HDmalloc(HDstrlen(objname2) + 2)) == NULL)
HGOTO_ERROR(1, H5E_tools_min_id_g, "name buffer allocation failed");
HDstrcpy(obj2fullname, "/");
HDstrcat(obj2fullname, objname2);
#endif /* H5_HAVE_ASPRINTF */
}
else
obj2fullname = HDstrdup(objname2);
/*----------------------------------------------------------
* check if obj1 is root, group, single object or symlink
*/
h5difftrace("h5diff check if obj1 is root, group, single object or symlink\n");
if(!HDstrcmp(obj1fullname, "/")) {
obj1type = H5TRAV_TYPE_GROUP;
}
else {
/* check if link itself exist */
if(H5Lexists(file1_id, obj1fullname, H5P_DEFAULT) <= 0) {
parallel_print ("Object <%s> could not be found in <%s>\n", obj1fullname, fname1);
HGOTO_ERROR(1, H5E_tools_min_id_g, "Error: Object could not be found");
}
/* get info from link */
if(H5Lget_info(file1_id, obj1fullname, &src_linfo1, H5P_DEFAULT) < 0) {
parallel_print("Unable to get link info from <%s>\n", obj1fullname);
HGOTO_ERROR(1, H5E_tools_min_id_g, "H5Lget_info failed");
}
info1_lp = info1_obj;
/*
* check the type of specified path for hard and symbolic links
*/
if(src_linfo1.type == H5L_TYPE_HARD) {
size_t idx;
/* optional data pass */
info1_obj->opts = (diff_opt_t*)opts;
if(H5Oget_info_by_name(file1_id, obj1fullname, &oinfo1, H5P_DEFAULT) < 0) {
parallel_print("Error: Could not get file contents\n");
HGOTO_ERROR(1, H5E_tools_min_id_g, "Error: Could not get file contents");
}
obj1type = (h5trav_type_t)oinfo1.type;
trav_info_add(info1_obj, obj1fullname, obj1type);
idx = info1_obj->nused - 1;
info1_obj->paths[idx].objno = oinfo1.addr;
info1_obj->paths[idx].fileno = oinfo1.fileno;
}
else if (src_linfo1.type == H5L_TYPE_SOFT) {
obj1type = H5TRAV_TYPE_LINK;
trav_info_add(info1_obj, obj1fullname, obj1type);
}
else if (src_linfo1.type == H5L_TYPE_EXTERNAL) {
obj1type = H5TRAV_TYPE_UDLINK;
trav_info_add(info1_obj, obj1fullname, obj1type);
}
}
/*----------------------------------------------------------
* check if obj2 is root, group, single object or symlink
*/
h5difftrace("h5diff check if obj2 is root, group, single object or symlink\n");
if(!HDstrcmp(obj2fullname, "/")) {
obj2type = H5TRAV_TYPE_GROUP;
}
else {
/* check if link itself exist */
if(H5Lexists(file2_id, obj2fullname, H5P_DEFAULT) <= 0) {
parallel_print ("Object <%s> could not be found in <%s>\n", obj2fullname, fname2);
HGOTO_ERROR(1, H5E_tools_min_id_g, "Error: Object could not be found");
}
/* get info from link */
if(H5Lget_info(file2_id, obj2fullname, &src_linfo2, H5P_DEFAULT) < 0) {
parallel_print("Unable to get link info from <%s>\n", obj2fullname);
HGOTO_ERROR(1, H5E_tools_min_id_g, "H5Lget_info failed");
}
info2_lp = info2_obj;
/*
* check the type of specified path for hard and symbolic links
*/
if(src_linfo2.type == H5L_TYPE_HARD) {
size_t idx;
/* optional data pass */
info2_obj->opts = (diff_opt_t*)opts;
if(H5Oget_info_by_name(file2_id, obj2fullname, &oinfo2, H5P_DEFAULT) < 0) {
parallel_print("Error: Could not get file contents\n");
HGOTO_ERROR(1, H5E_tools_min_id_g, "Error: Could not get file contents");
}
obj2type = (h5trav_type_t)oinfo2.type;
trav_info_add(info2_obj, obj2fullname, obj2type);
idx = info2_obj->nused - 1;
info2_obj->paths[idx].objno = oinfo2.addr;
info2_obj->paths[idx].fileno = oinfo2.fileno;
}
else if (src_linfo2.type == H5L_TYPE_SOFT) {
obj2type = H5TRAV_TYPE_LINK;
trav_info_add(info2_obj, obj2fullname, obj2type);
}
else if (src_linfo2.type == H5L_TYPE_EXTERNAL) {
obj2type = H5TRAV_TYPE_UDLINK;
trav_info_add(info2_obj, obj2fullname, obj2type);
}
}
}
/* if no object specified */
else {
h5difftrace("h5diff no object specified\n");
/* set root group */
obj1fullname = (char*)HDstrdup("/");
obj1type = H5TRAV_TYPE_GROUP;
obj2fullname = (char*)HDstrdup("/");
obj2type = H5TRAV_TYPE_GROUP;
}
h5diffdebug2("get any symbolic links info - errstat:%d\n", opts->err_stat);
/* get any symbolic links info */
l_ret1 = H5tools_get_symlink_info(file1_id, obj1fullname, &trg_linfo1, opts->follow_links);
l_ret2 = H5tools_get_symlink_info(file2_id, obj2fullname, &trg_linfo2, opts->follow_links);
/*---------------------------------------------
* check for following symlinks
*/
if (opts->follow_links) {
/* pass how to handle printing warning to linkinfo option */
if(print_warn(opts))
trg_linfo1.opt.msg_mode = trg_linfo2.opt.msg_mode = 1;
/*-------------------------------
* check symbolic link (object1)
*/
h5difftrace("h5diff check symbolic link (object1)\n");
/* dangling link */
if (l_ret1 == 0) {
h5difftrace("h5diff ... dangling link\n");
if (opts->no_dangle_links) {
/* treat dangling link as error */
if(opts->m_verbose)
parallel_print("Warning: <%s> is a dangling link.\n", obj1fullname);
HGOTO_ERROR(1, H5E_tools_min_id_g, "treat dangling link as error");
}
else {
if(opts->m_verbose)
parallel_print("obj1 <%s> is a dangling link.\n", obj1fullname);
if (l_ret1 != 0 || l_ret2 != 0) {
nfound++;
print_found(nfound);
HGOTO_DONE(0);
}
}
}
else if(l_ret1 < 0) { /* fail */
parallel_print ("Object <%s> could not be found in <%s>\n", obj1fullname, fname1);
HGOTO_ERROR(1, H5E_tools_min_id_g, "Object could not be found");
}
else if(l_ret1 != 2) { /* symbolic link */
obj1type = (h5trav_type_t)trg_linfo1.trg_type;
h5difftrace("h5diff ... ... trg_linfo1.trg_type == H5L_TYPE_HARD\n");
if (info1_lp != NULL) {
size_t idx = info1_lp->nused - 1;
h5difftrace("h5diff ... ... ... info1_obj not null\n");
info1_lp->paths[idx].type = (h5trav_type_t)trg_linfo1.trg_type;
info1_lp->paths[idx].objno = trg_linfo1.objno;
info1_lp->paths[idx].fileno = trg_linfo1.fileno;
}
h5difftrace("h5diff check symbolic link (object1) finished\n");
}
/*-------------------------------
* check symbolic link (object2)
*/
h5difftrace("h5diff check symbolic link (object2)\n");
/* dangling link */
if (l_ret2 == 0) {
h5difftrace("h5diff ... dangling link\n");
if (opts->no_dangle_links) {
/* treat dangling link as error */
if(opts->m_verbose)
parallel_print("Warning: <%s> is a dangling link.\n", obj2fullname);
HGOTO_ERROR(1, H5E_tools_min_id_g, "treat dangling link as error");
}
else {
if(opts->m_verbose)
parallel_print("obj2 <%s> is a dangling link.\n", obj2fullname);
if (l_ret1 != 0 || l_ret2 != 0) {
nfound++;
print_found(nfound);
HGOTO_DONE(0);
}
}
}
else if(l_ret2 < 0) { /* fail */
parallel_print ("Object <%s> could not be found in <%s>\n", obj2fullname, fname2);
HGOTO_ERROR(1, H5E_tools_min_id_g, "Object could not be found");
}
else if(l_ret2 != 2) { /* symbolic link */
obj2type = (h5trav_type_t)trg_linfo2.trg_type;
if (info2_lp != NULL) {
size_t idx = info2_lp->nused - 1;
h5difftrace("h5diff ... ... ... info2_obj not null\n");
info2_lp->paths[idx].type = (h5trav_type_t)trg_linfo2.trg_type;
info2_lp->paths[idx].objno = trg_linfo2.objno;
info2_lp->paths[idx].fileno = trg_linfo2.fileno;
}
h5difftrace("h5diff check symbolic link (object1) finished\n");
}
} /* end of if follow symlinks */
/*
* If verbose options is not used, don't need to traverse through the list
* of objects in the group to display objects information,
* So use h5tools_is_obj_same() to improve performance by skipping
* comparing details of same objects.
*/
if(!(opts->m_verbose || opts->m_report)) {
h5difftrace("h5diff NOT (opts->m_verbose || opts->m_report)\n");
/* if no danglink links */
if (l_ret1 > 0 && l_ret2 > 0)
if (h5tools_is_obj_same(file1_id, obj1fullname, file2_id, obj2fullname) != 0)
HGOTO_DONE(0);
}
both_objs_grp = (obj1type == H5TRAV_TYPE_GROUP && obj2type == H5TRAV_TYPE_GROUP);
if (both_objs_grp) {
h5difftrace("h5diff both_objs_grp TRUE\n");
/*
* traverse group1
*/
trav_info_init(fname1, file1_id, &info1_grp);
/* optional data pass */
info1_grp->opts = (diff_opt_t*)opts;
if(h5trav_visit(file1_id, obj1fullname, TRUE, TRUE,
trav_grp_objs, trav_grp_symlinks, info1_grp) < 0) {
parallel_print("Error: Could not get file contents\n");
HGOTO_ERROR(1, H5E_tools_min_id_g, "Could not get file contents");
}
info1_lp = info1_grp;
/*
* traverse group2
*/
trav_info_init(fname2, file2_id, &info2_grp);
/* optional data pass */
info2_grp->opts = (diff_opt_t*)opts;
if(h5trav_visit(file2_id, obj2fullname, TRUE, TRUE,
trav_grp_objs, trav_grp_symlinks, info2_grp) < 0) {
parallel_print("Error: Could not get file contents\n");
HGOTO_ERROR(1, H5E_tools_min_id_g, "Could not get file contents");
} /* end if */
info2_lp = info2_grp;
}
h5diffdebug2("groups traversed - errstat:%d\n", opts->err_stat);
#ifdef H5_HAVE_PARALLEL
if(g_Parallel) {
int i;
if((HDstrlen(fname1) > MAX_FILENAME) || (HDstrlen(fname2) > MAX_FILENAME)) {
HDfprintf(stderr, "The parallel diff only supports path names up to %d characters\n", MAX_FILENAME);
MPI_Abort(MPI_COMM_WORLD, 0);
} /* end if */
HDstrcpy(filenames[0], fname1);
HDstrcpy(filenames[1], fname2);
/* Alert the worker tasks that there's going to be work. */
for(i = 1; i < g_nTasks; i++)
MPI_Send(filenames, (MAX_FILENAME * 2), MPI_CHAR, i, MPI_TAG_PARALLEL, MPI_COMM_WORLD);
} /* end if */
#endif
/* process the objects */
build_match_list (obj1fullname, info1_lp, obj2fullname, info2_lp, &match_list, opts);
if (both_objs_grp) {
/*------------------------------------------------------
* print the list
*/
if(opts->m_verbose) {
unsigned u;
parallel_print("\n");
/* if given objects is group under root */
if (HDstrcmp (obj1fullname,"/") || HDstrcmp (obj2fullname,"/"))
parallel_print("group1 group2\n");
else
parallel_print("file1 file2\n");
parallel_print("---------------------------------------\n");
for(u = 0; u < match_list->nobjs; u++) {
char c1, c2;
c1 = (match_list->objs[u].flags[0]) ? 'x' : ' ';
c2 = (match_list->objs[u].flags[1]) ? 'x' : ' ';
parallel_print("%5c %6c %-15s\n", c1, c2, match_list->objs[u].name);
} /* end for */
parallel_print ("\n");
} /* end if */
}
nfound = diff_match(file1_id, obj1fullname, info1_lp,
file2_id, obj2fullname, info2_lp,
match_list, opts);
done:
opts->err_stat = opts->err_stat | ret_value;
#ifdef H5_HAVE_PARALLEL
if(g_Parallel)
/* All done at this point, let tasks know that they won't be needed */
phdiff_dismiss_workers();
#endif
/* free buffers in trav_info structures */
if (info1_obj)
trav_info_free(info1_obj);
if (info2_obj)
trav_info_free(info2_obj);
if (info1_grp)
trav_info_free(info1_grp);
if (info2_grp)
trav_info_free(info2_grp);
/* free buffers */
if (obj1fullname)
HDfree(obj1fullname);
if (obj2fullname)
HDfree(obj2fullname);
/* free link info buffer */
if (trg_linfo1.trg_path)
HDfree(trg_linfo1.trg_path);
if (trg_linfo2.trg_path)
HDfree(trg_linfo2.trg_path);
/* close */
H5E_BEGIN_TRY
{
H5Fclose(file1_id);
H5Fclose(file2_id);
} H5E_END_TRY;
h5difftrace("h5diff finish\n");
return nfound;
}
/*-------------------------------------------------------------------------
* Function: diff_match
*
* Purpose: Compare common objects in given groups according to table structure.
* The table structure has flags which can be used to find common objects
* and will be compared.
* Common object means same name (absolute path) objects in both location.
*
* Return: Number of differences found
*
* Modifications: Compare the graph and make h5diff return 1 for difference if
* 1) the number of objects in file1 is not the same as in file2
* 2) the graph does not match, i.e same names (absolute path)
* 3) objects with the same name are not of the same type
*-------------------------------------------------------------------------
*/
hsize_t
diff_match(hid_t file1_id, const char *grp1, trav_info_t *info1,
hid_t file2_id, const char *grp2, trav_info_t *info2,
trav_table_t *table, diff_opt_t *opts)
{
hsize_t nfound = 0;
unsigned i;
int ret_value = opts->err_stat;
const char *grp1_path = "";
const char *grp2_path = "";
char *obj1_fullpath = NULL;
char *obj2_fullpath = NULL;
diff_args_t argdata;
size_t idx1 = 0;
size_t idx2 = 0;
h5difftrace("diff_match start\n");
/*
* if not root, prepare object name to be pre-appended to group path to
* make full path
*/
if(HDstrcmp(grp1, "/"))
grp1_path = grp1;
if(HDstrcmp(grp2, "/"))
grp2_path = grp2;
/*-------------------------------------------------------------------------
* regarding the return value of h5diff (0, no difference in files, 1 difference )
* 1) the number of objects in file1 must be the same as in file2
* 2) the graph must match, i.e same names (absolute path)
* 3) objects with the same name must be of the same type
*-------------------------------------------------------------------------
*/
/* not valid compare used when --exclude-path option is used */
if (!opts->exclude_path) {
/* number of different objects */
if (info1->nused != info2->nused) {
opts->contents = 0;
}
}
/* objects in one file and not the other */
for(i = 0; i < table->nobjs; i++) {
if(table->objs[i].flags[0] != table->objs[i].flags[1]) {
opts->contents = 0;
break;
}
}
/*-------------------------------------------------------------------------
* do the diff for common objects
*-------------------------------------------------------------------------
*/
#ifdef H5_HAVE_PARALLEL
{
char *workerTasks = (char*)HDmalloc((g_nTasks - 1) * sizeof(char));
int n;
int busyTasks = 0;
struct diffs_found nFoundbyWorker;
struct diff_mpi_args args;
int havePrintToken = 1;
MPI_Status Status;
/*set all tasks as free */
HDmemset(workerTasks, 1, (g_nTasks - 1));
#endif
for(i = 0; i < table->nobjs; i++) {
h5diffdebug3("diff for common objects[%d] - errstat:%d\n", i, opts->err_stat);
if(table->objs[i].flags[0] && table->objs[i].flags[1]) {
/* make full path for obj1 */
#ifdef H5_HAVE_ASPRINTF
/* Use the asprintf() routine, since it does what we're trying to do below */
if(HDasprintf(&obj1_fullpath, "%s%s", grp1_path, table->objs[i].name) < 0) {
HERROR(1, H5E_tools_min_id_g, "name buffer allocation failed");
}
#else /* H5_HAVE_ASPRINTF */
if((obj1_fullpath = (char*)HDmalloc(HDstrlen(grp1_path) + HDstrlen(table->objs[i].name) + 1)) == NULL) {
HERROR(1, H5E_tools_min_id_g, "name buffer allocation failed");
}
else {
HDstrcpy(obj1_fullpath, grp1_path);
HDstrcat(obj1_fullpath, table->objs[i].name);
}
#endif /* H5_HAVE_ASPRINTF */
h5diffdebug2("diff_match path1 - %s\n", obj1_fullpath);
/* make full path for obj2 */
#ifdef H5_HAVE_ASPRINTF
/* Use the asprintf() routine, since it does what we're trying to do below */
if(HDasprintf(&obj2_fullpath, "%s%s", grp2_path, table->objs[i].name) < 0) {
HERROR(1, H5E_tools_min_id_g, "name buffer allocation failed");
}
#else /* H5_HAVE_ASPRINTF */
if((obj2_fullpath = (char*)HDmalloc(HDstrlen(grp2_path) + HDstrlen(table->objs[i].name) + 1)) == NULL) {
HERROR(1, H5E_tools_min_id_g, "name buffer allocation failed");
}
else {
HDstrcpy(obj2_fullpath, grp2_path);
HDstrcat(obj2_fullpath, table->objs[i].name);
}
#endif /* H5_HAVE_ASPRINTF */
h5diffdebug2("diff_match path2 - %s\n", obj2_fullpath);
/* get index to figure out type of the object in file1 */
while(info1->paths[idx1].path && (HDstrcmp(obj1_fullpath, info1->paths[idx1].path) != 0))
idx1++;
/* get index to figure out type of the object in file2 */
while(info2->paths[idx2].path && (HDstrcmp(obj2_fullpath, info2->paths[idx2].path) != 0))
idx2++;
/* Set argdata to pass other args into diff() */
argdata.type[0] = info1->paths[idx1].type;
argdata.type[1] = info2->paths[idx2].type;
argdata.is_same_trgobj = table->objs[i].is_same_trgobj;
opts->cmn_objs = 1;
if(!g_Parallel) {
nfound += diff(file1_id, obj1_fullpath,
file2_id, obj2_fullpath,
opts, &argdata);
} /* end if */
#ifdef H5_HAVE_PARALLEL
else {
int workerFound = 0;
h5difftrace("Beginning of big else block\n");
/* We're in parallel mode */
/* Since the data type of diff value is hsize_t which can
* be arbitary large such that there is no MPI type that
* matches it, the value is passed between processes as
* an array of bytes in order to be portable. But this
* may not work in non-homogeneous MPI environments.
*/
/*Set up args to pass to worker task. */
if(HDstrlen(obj1_fullpath) > 255 ||
HDstrlen(obj2_fullpath) > 255) {
printf("The parallel diff only supports object names up to 255 characters\n");
MPI_Abort(MPI_COMM_WORLD, 0);
} /* end if */
/* set args struct to pass */
HDstrcpy(args.name1, obj1_fullpath);
HDstrcpy(args.name2, obj2_fullpath);
args.opts = *opts;
args.argdata.type[0] = info1->paths[idx1].type;
args.argdata.type[1] = info2->paths[idx2].type;
args.argdata.is_same_trgobj = table->objs[i].is_same_trgobj;
/* if there are any outstanding print requests, let's handle one. */
if(busyTasks > 0) {
int incomingMessage;
/* check if any tasks freed up, and didn't need to print. */
MPI_Iprobe(MPI_ANY_SOURCE, MPI_TAG_DONE, MPI_COMM_WORLD, &incomingMessage, &Status);
/* first block*/
if(incomingMessage) {
workerTasks[Status.MPI_SOURCE - 1] = 1;
MPI_Recv(&nFoundbyWorker, sizeof(nFoundbyWorker), MPI_BYTE, Status.MPI_SOURCE, MPI_TAG_DONE, MPI_COMM_WORLD, &Status);
nfound += nFoundbyWorker.nfound;
opts->not_cmp = opts->not_cmp | nFoundbyWorker.not_cmp;
busyTasks--;
} /* end if */
/* check to see if the print token was returned. */
if(!havePrintToken) {
/* If we don't have the token, someone is probably sending us output */
print_incoming_data();
/* check incoming queue for token */
MPI_Iprobe(MPI_ANY_SOURCE, MPI_TAG_TOK_RETURN, MPI_COMM_WORLD, &incomingMessage, &Status);
/* incoming token implies free task. */
if(incomingMessage) {
workerTasks[Status.MPI_SOURCE - 1] = 1;
MPI_Recv(&nFoundbyWorker, sizeof(nFoundbyWorker), MPI_BYTE, Status.MPI_SOURCE, MPI_TAG_TOK_RETURN, MPI_COMM_WORLD, &Status);
nfound += nFoundbyWorker.nfound;
opts->not_cmp = opts->not_cmp | nFoundbyWorker.not_cmp;
busyTasks--;
havePrintToken = 1;
} /* end if */
} /* end if */
/* check to see if anyone needs the print token. */
if(havePrintToken) {
/* check incoming queue for print token requests */
MPI_Iprobe(MPI_ANY_SOURCE, MPI_TAG_TOK_REQUEST, MPI_COMM_WORLD, &incomingMessage, &Status);
if(incomingMessage) {
MPI_Recv(NULL, 0, MPI_BYTE, Status.MPI_SOURCE, MPI_TAG_TOK_REQUEST, MPI_COMM_WORLD, &Status);
MPI_Send(NULL, 0, MPI_BYTE, Status.MPI_SOURCE, MPI_TAG_PRINT_TOK, MPI_COMM_WORLD);
havePrintToken = 0;
} /* end if */
} /* end if */
} /* end if */
/* check array of tasks to see which ones are free.
* Manager task never does work, so freeTasks[0] is really
* worker task 0. */
for(n = 1; (n < g_nTasks) && !workerFound; n++) {
if(workerTasks[n-1]) {
/* send file id's and names to first free worker */
MPI_Send(&args, sizeof(args), MPI_BYTE, n, MPI_TAG_ARGS, MPI_COMM_WORLD);
/* increment counter for total number of prints. */
busyTasks++;
/* mark worker as busy */
workerTasks[n - 1] = 0;
workerFound = 1;
} /* end if */
} /* end for */
if(!workerFound) {
/* if they were all busy, we've got to wait for one free up
* before we can move on. If we don't have the token, some
* task is currently printing so we'll wait for that task to
* return it.
*/
if(!havePrintToken) {
while(!havePrintToken) {
int incomingMessage;
print_incoming_data();
MPI_Iprobe(MPI_ANY_SOURCE, MPI_TAG_TOK_RETURN, MPI_COMM_WORLD, &incomingMessage, &Status);
if(incomingMessage) {
MPI_Recv(&nFoundbyWorker, sizeof(nFoundbyWorker), MPI_BYTE, MPI_ANY_SOURCE, MPI_TAG_TOK_RETURN, MPI_COMM_WORLD, &Status);
havePrintToken = 1;
nfound += nFoundbyWorker.nfound;
opts->not_cmp = opts->not_cmp | nFoundbyWorker.not_cmp;
/* send this task the work unit. */
MPI_Send(&args, sizeof(args), MPI_BYTE, Status.MPI_SOURCE, MPI_TAG_ARGS, MPI_COMM_WORLD);
} /* end if */
} /* end while */
} /* end if */
/* if we do have the token, check for task to free up, or wait for a task to request it */
else {
/* But first print all the data in our incoming queue */
print_incoming_data();
MPI_Probe(MPI_ANY_SOURCE, MPI_ANY_TAG, MPI_COMM_WORLD, &Status);
if(Status.MPI_TAG == MPI_TAG_DONE) {
MPI_Recv(&nFoundbyWorker, sizeof(nFoundbyWorker), MPI_BYTE, Status.MPI_SOURCE, MPI_TAG_DONE, MPI_COMM_WORLD, &Status);
nfound += nFoundbyWorker.nfound;
opts->not_cmp = opts->not_cmp | nFoundbyWorker.not_cmp;
MPI_Send(&args, sizeof(args), MPI_BYTE, Status.MPI_SOURCE, MPI_TAG_ARGS, MPI_COMM_WORLD);
} /* end if */
else if(Status.MPI_TAG == MPI_TAG_TOK_REQUEST) {
int incomingMessage;
MPI_Recv(NULL, 0, MPI_BYTE, Status.MPI_SOURCE, MPI_TAG_TOK_REQUEST, MPI_COMM_WORLD, &Status);
MPI_Send(NULL, 0, MPI_BYTE, Status.MPI_SOURCE, MPI_TAG_PRINT_TOK, MPI_COMM_WORLD);
do {
MPI_Iprobe(MPI_ANY_SOURCE, MPI_TAG_TOK_RETURN, MPI_COMM_WORLD, &incomingMessage, &Status);
print_incoming_data();
} while(!incomingMessage);
MPI_Recv(&nFoundbyWorker, sizeof(nFoundbyWorker), MPI_BYTE, Status.MPI_SOURCE, MPI_TAG_TOK_RETURN, MPI_COMM_WORLD, &Status);
nfound += nFoundbyWorker.nfound;
opts->not_cmp = opts->not_cmp | nFoundbyWorker.not_cmp;
MPI_Send(&args, sizeof(args), MPI_BYTE, Status.MPI_SOURCE, MPI_TAG_ARGS, MPI_COMM_WORLD);
} /* end else-if */
else {
printf("ERROR: Invalid tag (%d) received \n", Status.MPI_TAG);
MPI_Abort(MPI_COMM_WORLD, 0);
MPI_Finalize();
} /* end else */
} /* end else */
} /* end if */
} /* end else */
#endif /* H5_HAVE_PARALLEL */
if(obj1_fullpath)
HDfree(obj1_fullpath);
if(obj2_fullpath)
HDfree(obj2_fullpath);
} /* end if */
} /* end for */
h5diffdebug2("done with for loop - errstat:%d\n", opts->err_stat);
#ifdef H5_HAVE_PARALLEL
if(g_Parallel) {
/* make sure all tasks are done */
while(busyTasks > 0) {
MPI_Probe(MPI_ANY_SOURCE, MPI_ANY_TAG, MPI_COMM_WORLD, &Status);
if(Status.MPI_TAG == MPI_TAG_DONE) {
MPI_Recv(&nFoundbyWorker, sizeof(nFoundbyWorker), MPI_BYTE, Status.MPI_SOURCE, MPI_TAG_DONE, MPI_COMM_WORLD, &Status);
nfound += nFoundbyWorker.nfound;
opts->not_cmp = opts->not_cmp | nFoundbyWorker.not_cmp;
busyTasks--;
} /* end if */
else if(Status.MPI_TAG == MPI_TAG_TOK_REQUEST) {
MPI_Recv(NULL, 0, MPI_BYTE, Status.MPI_SOURCE, MPI_TAG_TOK_REQUEST, MPI_COMM_WORLD, &Status);
if(havePrintToken) {
int incomingMessage;
MPI_Send(NULL, 0, MPI_BYTE, Status.MPI_SOURCE, MPI_TAG_PRINT_TOK, MPI_COMM_WORLD);
do {
MPI_Iprobe(MPI_ANY_SOURCE, MPI_TAG_TOK_RETURN, MPI_COMM_WORLD, &incomingMessage, &Status);
print_incoming_data();
} while(!incomingMessage);
MPI_Recv(&nFoundbyWorker, sizeof(nFoundbyWorker), MPI_BYTE, Status.MPI_SOURCE, MPI_TAG_TOK_RETURN, MPI_COMM_WORLD, &Status);
nfound += nFoundbyWorker.nfound;
opts->not_cmp = opts->not_cmp | nFoundbyWorker.not_cmp;
busyTasks--;
} /* end if */
/* someone else must have it...wait for them to return it, then give it to the task that just asked for it. */
else {
int source = Status.MPI_SOURCE;
int incomingMessage;
do {
MPI_Iprobe(MPI_ANY_SOURCE, MPI_TAG_TOK_RETURN, MPI_COMM_WORLD, &incomingMessage, &Status);
print_incoming_data();
} while(!incomingMessage);
MPI_Recv(&nFoundbyWorker, sizeof(nFoundbyWorker), MPI_BYTE, MPI_ANY_SOURCE, MPI_TAG_TOK_RETURN, MPI_COMM_WORLD, &Status);
nfound += nFoundbyWorker.nfound;
opts->not_cmp = opts->not_cmp | nFoundbyWorker.not_cmp;
busyTasks--;
MPI_Send(NULL, 0, MPI_BYTE, source, MPI_TAG_PRINT_TOK, MPI_COMM_WORLD);
} /* end else */
} /* end else-if */
else if(Status.MPI_TAG == MPI_TAG_TOK_RETURN) {
MPI_Recv(&nFoundbyWorker, sizeof(nFoundbyWorker), MPI_BYTE, Status.MPI_SOURCE, MPI_TAG_TOK_RETURN, MPI_COMM_WORLD, &Status);
nfound += nFoundbyWorker.nfound;
opts->not_cmp = opts->not_cmp | nFoundbyWorker.not_cmp;
busyTasks--;
havePrintToken = 1;
} /* end else-if */
else if(Status.MPI_TAG == MPI_TAG_PRINT_DATA) {
char data[PRINT_DATA_MAX_SIZE + 1];
HDmemset(data, 0, PRINT_DATA_MAX_SIZE + 1);
MPI_Recv(data, PRINT_DATA_MAX_SIZE, MPI_CHAR, Status.MPI_SOURCE, MPI_TAG_PRINT_DATA, MPI_COMM_WORLD, &Status);
printf("%s", data);
} /* end else-if */
else {
printf("ph5diff-manager: ERROR!! Invalid tag (%d) received \n", Status.MPI_TAG);
MPI_Abort(MPI_COMM_WORLD, 0);
} /* end else */
} /* end while */
for(i = 1; i < g_nTasks; i++)
MPI_Send(NULL, 0, MPI_BYTE, i, MPI_TAG_END, MPI_COMM_WORLD);
/* Print any final data waiting in our queue */
print_incoming_data();
} /* end if */
h5difftrace("done with if block\n");
HDfree(workerTasks);
}
#endif /* H5_HAVE_PARALLEL */
out:
opts->err_stat = opts->err_stat | ret_value;
/* free table */
if (table)
trav_table_free(table);
h5diffdebug2("diff_match finish:%d\n", nfound);
return nfound;
}
/*-------------------------------------------------------------------------
* Function: diff
*
* Purpose: switch between types and choose the diff function
* TYPE is either
* H5G_GROUP Object is a group
* H5G_DATASET Object is a dataset
* H5G_TYPE Object is a named data type
* H5G_LINK Object is a symbolic link
*
* Return: Number of differences found
*-------------------------------------------------------------------------
*/
hsize_t
diff(hid_t file1_id,
const char *path1,
hid_t file2_id,
const char *path2,
diff_opt_t * opts,
diff_args_t *argdata)
{
int ret_value = opts->err_stat;
int status = -1;
hid_t dset1_id = -1;
hid_t dset2_id = -1;
hid_t type1_id = -1;
hid_t type2_id = -1;
hid_t grp1_id = -1;
hid_t grp2_id = -1;
hbool_t is_dangle_link1 = FALSE;
hbool_t is_dangle_link2 = FALSE;
hbool_t is_hard_link = FALSE;
hsize_t nfound = 0;
h5trav_type_t object_type;
/* to get link info */
h5tool_link_info_t linkinfo1;
h5tool_link_info_t linkinfo2;
h5difftrace("diff start\n");
/*init link info struct */
HDmemset(&linkinfo1, 0, sizeof(h5tool_link_info_t));
HDmemset(&linkinfo2, 0, sizeof(h5tool_link_info_t));
/* pass how to handle printing warnings to linkinfo option */
if(print_warn(opts))
linkinfo1.opt.msg_mode = linkinfo2.opt.msg_mode = 1;
/* for symbolic links, take care follow symlink and no dangling link
* options */
if (argdata->type[0] == H5TRAV_TYPE_LINK ||
argdata->type[0] == H5TRAV_TYPE_UDLINK ||
argdata->type[1] == H5TRAV_TYPE_LINK ||
argdata->type[1] == H5TRAV_TYPE_UDLINK) {
/*
* check dangling links for path1 and path2
*/
/* target object1 - get type and name */
if ((status = H5tools_get_symlink_info(file1_id, path1, &linkinfo1, opts->follow_links)) < 0)
HGOTO_ERROR(1, H5E_tools_min_id_g, "H5tools_get_symlink_info failed");
/* dangling link */
if (status == 0) {
if (opts->no_dangle_links) {
/* dangling link is error */
if(opts->m_verbose)
parallel_print("Warning: <%s> is a dangling link.\n", path1);
HGOTO_ERROR(1, H5E_tools_min_id_g, "dangling link is error");
}
else
is_dangle_link1 = TRUE;
}
/* target object2 - get type and name */
if ((status = H5tools_get_symlink_info(file2_id, path2, &linkinfo2, opts->follow_links)) < 0)
HGOTO_ERROR(1, H5E_tools_min_id_g, "H5tools_get_symlink_info failed");
/* dangling link */
if (status == 0) {
if (opts->no_dangle_links) {
/* dangling link is error */
if(opts->m_verbose)
parallel_print("Warning: <%s> is a dangling link.\n", path2);
HGOTO_ERROR(FAIL, H5E_tools_min_id_g, "dangling link is error");
}
else
is_dangle_link2 = TRUE;
}
/* found dangling link */
if (is_dangle_link1 || is_dangle_link2) {
HGOTO_DONE(0);
}
/* follow symbolic link option */
if (opts->follow_links) {
if (linkinfo1.linfo.type == H5L_TYPE_SOFT ||
linkinfo1.linfo.type == H5L_TYPE_EXTERNAL)
argdata->type[0] = (h5trav_type_t)linkinfo1.trg_type;
if (linkinfo2.linfo.type == H5L_TYPE_SOFT || linkinfo2.linfo.type == H5L_TYPE_EXTERNAL)
argdata->type[1] = (h5trav_type_t)linkinfo2.trg_type;
}
}
/* if objects are not the same type */
if (argdata->type[0] != argdata->type[1]) {
if (opts->m_verbose||opts->m_list_not_cmp) {
parallel_print("Not comparable: <%s> is of type %s and <%s> is of type %s\n",
path1, get_type(argdata->type[0]),
path2, get_type(argdata->type[1]));
}
opts->not_cmp = 1;
/* TODO: will need to update non-comparable is different
* opts->contents = 0;
*/
HGOTO_DONE(0);
}
else /* now both object types are same */
object_type = argdata->type[0];
/*
* If both points to the same target object, skip comparing details inside
* of the objects to improve performance.
* Always check for the hard links, otherwise if follow symlink option is
* specified.
*
* Perform this to match the outputs as bypassing.
*/
if (argdata->is_same_trgobj) {
h5difftrace("argdata->is_same_trgobj\n");
is_hard_link = (object_type == H5TRAV_TYPE_DATASET ||
object_type == H5TRAV_TYPE_NAMED_DATATYPE ||
object_type == H5TRAV_TYPE_GROUP);
if (opts->follow_links || is_hard_link) {
/* print information is only verbose option is used */
if(opts->m_verbose || opts->m_report) {
switch(object_type) {
case H5TRAV_TYPE_DATASET:
do_print_objname("dataset", path1, path2, opts);
break;
case H5TRAV_TYPE_NAMED_DATATYPE:
do_print_objname("datatype", path1, path2, opts);
break;
case H5TRAV_TYPE_GROUP:
do_print_objname("group", path1, path2, opts);
break;
case H5TRAV_TYPE_LINK:
do_print_objname("link", path1, path2, opts);
break;
case H5TRAV_TYPE_UDLINK:
if(linkinfo1.linfo.type == H5L_TYPE_EXTERNAL && linkinfo2.linfo.type == H5L_TYPE_EXTERNAL)
do_print_objname("external link", path1, path2, opts);
else
do_print_objname ("user defined link", path1, path2, opts);
break;
case H5TRAV_TYPE_UNKNOWN:
default:
parallel_print("Comparison not supported: <%s> and <%s> are of type %s\n",
path1, path2, get_type(object_type) );
opts->not_cmp = 1;
break;
} /* switch(type)*/
print_found(nfound);
} /* if(opts->m_verbose || opts->m_report) */
/* exact same, so comparison is done */
HGOTO_DONE(0);
}
}
switch(object_type) {
/*----------------------------------------------------------------------
* H5TRAV_TYPE_DATASET
*----------------------------------------------------------------------
*/
case H5TRAV_TYPE_DATASET:
if((dset1_id = H5Dopen2(file1_id, path1, H5P_DEFAULT)) < 0)
HGOTO_ERROR(1, H5E_tools_min_id_g, "H5Dopen2 failed");
if((dset2_id = H5Dopen2(file2_id, path2, H5P_DEFAULT)) < 0)
HGOTO_ERROR(1, H5E_tools_min_id_g, "H5Dopen2 failed");
/* verbose (-v) and report (-r) mode */
if(opts->m_verbose || opts->m_report) {
do_print_objname("dataset", path1, path2, opts);
nfound = diff_dataset(file1_id, file2_id, path1, path2, opts);
print_found(nfound);
}
/* quiet mode (-q), just count differences */
else if(opts->m_quiet) {
nfound = diff_dataset(file1_id, file2_id, path1, path2, opts);
}
/* the rest (-c, none, ...) */
else {
nfound = diff_dataset(file1_id, file2_id, path1, path2, opts);
/* print info if difference found */
if (nfound) {
do_print_objname("dataset", path1, path2, opts);
print_found(nfound);
}
}
h5diffdebug2("diff after dataset:%d\n", nfound);
/*---------------------------------------------------------
* compare attributes
* if condition refers to cases when the dataset is a
* referenced object
*---------------------------------------------------------
*/
if(path1)
nfound += diff_attr(dset1_id, dset2_id, path1, path2, opts);
if(H5Dclose(dset1_id) < 0)
HGOTO_ERROR(1, H5E_tools_min_id_g, "H5Dclose failed");
if(H5Dclose(dset2_id) < 0)
HGOTO_ERROR(1, H5E_tools_min_id_g, "H5Dclose failed");
break;
/*----------------------------------------------------------------------
* H5TRAV_TYPE_NAMED_DATATYPE
*----------------------------------------------------------------------
*/
case H5TRAV_TYPE_NAMED_DATATYPE:
if((type1_id = H5Topen2(file1_id, path1, H5P_DEFAULT)) < 0)
HGOTO_ERROR(1, H5E_tools_min_id_g, "H5Topen2 failed");
if((type2_id = H5Topen2(file2_id, path2, H5P_DEFAULT)) < 0)
HGOTO_ERROR(1, H5E_tools_min_id_g, "H5Topen2 failed");
if((status = H5Tequal(type1_id, type2_id)) < 0)
HGOTO_ERROR(1, H5E_tools_min_id_g, "H5Tequal failed");
/* if H5Tequal is > 0 then the datatypes refer to the same datatype */
nfound = (status > 0) ? 0 : 1;
if(print_objname(opts, nfound))
do_print_objname("datatype", path1, path2, opts);
/* always print the number of differences found in verbose mode */
if(opts->m_verbose)
print_found(nfound);
/*-----------------------------------------------------------------
* compare attributes
* the if condition refers to cases when the dataset is a
* referenced object
*-----------------------------------------------------------------
*/
if(path1)
nfound += diff_attr(type1_id, type2_id, path1, path2, opts);
if(H5Tclose(type1_id) < 0)
HGOTO_ERROR(1, H5E_tools_min_id_g, "H5Tclose failed");
if(H5Tclose(type2_id) < 0)
HGOTO_ERROR(1, H5E_tools_min_id_g, "H5Tclose failed");
break;
/*----------------------------------------------------------------------
* H5TRAV_TYPE_GROUP
*----------------------------------------------------------------------
*/
case H5TRAV_TYPE_GROUP:
if(print_objname(opts, nfound))
do_print_objname("group", path1, path2, opts);
/* always print the number of differences found in verbose mode */
if(opts->m_verbose)
print_found(nfound);
if((grp1_id = H5Gopen2(file1_id, path1, H5P_DEFAULT)) < 0)
HGOTO_ERROR(1, H5E_tools_min_id_g, "H5Gclose failed");
if((grp2_id = H5Gopen2(file2_id, path2, H5P_DEFAULT)) < 0)
HGOTO_ERROR(1, H5E_tools_min_id_g, "H5Gclose failed");
/*-----------------------------------------------------------------
* compare attributes
* the if condition refers to cases when the dataset is a
* referenced object
*-----------------------------------------------------------------
*/
if(path1)
nfound += diff_attr(grp1_id, grp2_id, path1, path2, opts);
if(H5Gclose(grp1_id) < 0)
HGOTO_ERROR(1, H5E_tools_min_id_g, "H5Gclose failed");
if(H5Gclose(grp2_id) < 0)
HGOTO_ERROR(1, H5E_tools_min_id_g, "H5Gclose failed");
break;
/*----------------------------------------------------------------------
* H5TRAV_TYPE_LINK
*----------------------------------------------------------------------
*/
case H5TRAV_TYPE_LINK:
{
status = HDstrcmp(linkinfo1.trg_path, linkinfo2.trg_path);
/* if the target link name is not same then the links are "different" */
nfound = (status != 0) ? 1 : 0;
if(print_objname(opts, nfound))
do_print_objname("link", path1, path2, opts);
/* always print the number of differences found in verbose mode */
if(opts->m_verbose)
print_found(nfound);
}
break;
/*----------------------------------------------------------------------
* H5TRAV_TYPE_UDLINK
*----------------------------------------------------------------------
*/
case H5TRAV_TYPE_UDLINK:
{
/* Only external links will have a query function registered */
if(linkinfo1.linfo.type == H5L_TYPE_EXTERNAL && linkinfo2.linfo.type == H5L_TYPE_EXTERNAL) {
/* If the buffers are the same size, compare them */
if(linkinfo1.linfo.u.val_size == linkinfo2.linfo.u.val_size) {
status = HDmemcmp(linkinfo1.trg_path, linkinfo2.trg_path, linkinfo1.linfo.u.val_size);
}
else
status = 1;
/* if "linkinfo1.trg_path" != "linkinfo2.trg_path" then the links
* are "different" extlinkinfo#.path is combination string of
* file_name and obj_name
*/
nfound = (status != 0) ? 1 : 0;
if(print_objname(opts, nfound))
do_print_objname("external link", path1, path2, opts);
} /* end if */
else {
/* If one or both of these links isn't an external link, we can only
* compare information from H5Lget_info since we don't have a query
* function registered for them.
*
* If the link classes or the buffer length are not the
* same, the links are "different"
*/
if((linkinfo1.linfo.type != linkinfo2.linfo.type) ||
(linkinfo1.linfo.u.val_size != linkinfo2.linfo.u.val_size))
nfound = 1;
else
nfound = 0;
if (print_objname (opts, nfound))
do_print_objname ("user defined link", path1, path2, opts);
} /* end else */
/* always print the number of differences found in verbose mode */
if(opts->m_verbose)
print_found(nfound);
}
break;
case H5TRAV_TYPE_UNKNOWN:
default:
if(opts->m_verbose)
parallel_print("Comparison not supported: <%s> and <%s> are of type %s\n",
path1, path2, get_type(object_type) );
opts->not_cmp = 1;
break;
}
done:
opts->err_stat = opts->err_stat | ret_value;
/*-----------------------------------
* handle dangling link(s)
*/
/* both path1 and path2 are dangling links */
if(is_dangle_link1 && is_dangle_link2) {
if(print_objname(opts, nfound)) {
do_print_objname("dangling link", path1, path2, opts);
print_found(nfound);
}
}
/* path1 is dangling link */
else if (is_dangle_link1) {
if(opts->m_verbose)
parallel_print("obj1 <%s> is a dangling link.\n", path1);
nfound++;
if(print_objname(opts, nfound))
print_found(nfound);
}
/* path2 is dangling link */
else if (is_dangle_link2) {
if(opts->m_verbose)
parallel_print("obj2 <%s> is a dangling link.\n", path2);
nfound++;
if(print_objname(opts, nfound))
print_found(nfound);
}
/* free link info buffer */
if (linkinfo1.trg_path)
HDfree(linkinfo1.trg_path);
if (linkinfo2.trg_path)
HDfree(linkinfo2.trg_path);
/* close */
/* disable error reporting */
H5E_BEGIN_TRY {
H5Dclose(dset1_id);
H5Dclose(dset2_id);
H5Tclose(type1_id);
H5Tclose(type2_id);
H5Gclose(grp1_id);
H5Gclose(grp2_id);
/* enable error reporting */
} H5E_END_TRY;
h5diffdebug3("diff finish:%d - errstat:%d\n", nfound, opts->err_stat);
return nfound;
}
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